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Mac 28 single stage

This pump is designed as both a hydrostatic test pump and for high-pressure chemical injection pump applications. Net Weight : 475 lbs. Mac - 28 Single Stage - Power piston size is 8", stroke length is 4", cycles/minute are adjustable to 100 PSI. Power gas max cons are 185 SCFM and its temperature limits are -20 to 140 F. Positive displacement, Stroke rate adjustment for accuracy, and materials chosen for maximum corrosion resistance. This reciprocating pump has a compact design compared with alternate electric pumps. Reduced components for easy maintenance.


Plunger Size (in.) Volume - Gallons @ 100 cpm Operating Pressure Stall Pressure
Min. Hr. Day @ 100 psi Input
1/2 .61 37 882 16,507 20,044
5/8 .96 57 1,377 10,562 12,825
3/4 1.38 82 1,983 7,335 8,906
1 2.45 146 3,525 4,126 5,010
1 1/4 3.82 230 5,507 2,641 3,207
1 1/2 5.51 330 7,931 1,834 2,227
1 3/4 7.50 450 10,794 1,348 1,636
2 9.79 588 14,100 1,031 1,252
2 1/2 15.30 918 22,032 660 801
3 22.03 1,322 31,726 458 556
3 /2 29.99 1,799 43,186 337 409

 

Volume based on 90% theoretical maximum.
Stall pressure based on 85% efficiency.
Gas consumption @ 100 psi and 100 cpm = 185 SCFM.

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